2545367343876 has 216 divisors, whose sum is σ = 8012184450816. Its totient is φ = 703787797440.

The previous prime is 2545367343863. The next prime is 2545367343877. The reversal of 2545367343876 is 6783437635452.

2545367343876 is a `hidden beast` number, since 2 + 5 + 453 + 6 + 73 + 43 + 8 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2545367343877) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 614490 + ... + 2338446.

Almost surely, 2^{2545367343876} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545367343876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4006092225408).

2545367343876 is an abundant number, since it is smaller than the sum of its proper divisors (5466817106940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545367343876 is a wasteful number, since it uses less digits than its factorization.

2545367343876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724021 (or 1724000 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 63.

The spelling of 2545367343876 in words is "two trillion, five hundred forty-five billion, three hundred sixty-seven million, three hundred forty-three thousand, eight hundred seventy-six".